GC Gold Label 9 Extra Dental Products for Healthy Teeth · EXTRA fast setting – Finishing in only 2 1/2 minutes · EXTRA high fluoride release – Six times higher than the current Fuji IX GP FAST. GC Gold Label IX. High Strength Radiopaque Posterior Glass Ionomer Restorative. A high strength strontium-based glass ionomer restorative providing – GC India Dental